Gordon, Inc. Security Systems Division is the leader in the design and manufacturing of specialty metal security ceiling and wall systems. Gordon’s Cel-Line ceiling system is well-known throughout the Security industry for its performance, quality, and ease of installation. Cel-Line is a tamper proof system appropriate for high security environments. Planks can be heavy gauge steel or aluminum, and the system offers matching accessories such as wall angle and tee suspension systems. If acoustical performance is required, Cel-Line can be perforated and treated acoustically to solve noise issues. Custom colors available. Cel-Line is one of three Gordon Security Ceilings approved by the New York State Office of Mental Health product guide for behavioral health facilities.